EN CC481K (CuSn11P-C) Phosphor Bronze
Copper Alloys
Property Overview
Density8.7g/cm³
Elastic Modulus110GPa
Tensile Strength350MPa
Yield Strength180MPa
Brinell Hardness90HB
Maximum Service Temperature170°C
Chemical Composition
C
CuSn11P-C ( CC481K ) Copper-tin alloy Chemical composition. Equivalents of CuSn11P-C ( CC481K ). Standards.1 Mechanical Properties. Hardness%
NI
0 to 0.1%
MN
0 to 0.050%
SI
0 to 0.010%
P
0 to 1.0%
S
0 to 0.050%
CU
87 to 89.5%
AL
0 to 0.010%
PB
0 to 0.25%
SB
0 to 0.050%
SN
10 to 11.5%
ZN
0 to 0.5%
FE
0 to 0.1%
Mechanical
A - Min. elongation at fracture (%) (GC)
5
A - Min. elongation at fracture (%) (GM)
2
A - Min. elongation at fracture (%) (GS)
5
A - Min. elongation at fracture (%) (GZ)
4
Elastic (Young's, Tensile) Modulus
110 GPa
Elongation at Break
4.5 %
Poisson's Ratio
0.34
R p0.2 0.2% proof strength (MPa) (GC)
170
R p0.2 0.2% proof strength (MPa) (GM)
170
R p0.2 0.2% proof strength (MPa) (GS)
130
R p0.2 0.2% proof strength (MPa) (GZ)
170
Rm - Tensile strength (MPa) (GC)
350
Rm - Tensile strength (MPa) (GM)
310
Rm - Tensile strength (MPa) (GS)
250
Rm - Tensile strength (MPa) (GZ)
330
Shear Modulus
40 GPa
Tensile Strength: Ultimate (UTS)
350 MPa
Tensile Strength: Yield (Proof)
180 MPa
Hardness
Brinell Hardness
90
Brinell hardness (HBW): (GM) or (GC) or (GZ)
85
Brinell hardness (HBW): (GS)
60
Physical
Density
8.7 g/cm 3
Thermal
Latent Heat of Fusion
190 J/g
Maximum Temperature: Mechanical
170 °C
Melting Completion (Liquidus)
1000 °C
Melting Onset (Solidus)
880 °C
Specific Heat Capacity
370 J/kg-K
Thermal Conductivity
64 W/m-K
Thermal Diffusivity
20 mm 2 /s
Thermal Expansion
18 µm/m-K
Thermal Shock Resistance
13 points
Electrical
Electrical Conductivity: Equal Volume
10 % IACS
Electrical Conductivity: Equal Weight (Specific)
10 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
13 MJ/m 3
Resilience: Unit (Modulus of Resilience)
150 kJ/m 3
Stiffness to Weight: Axial
6.9 points
Stiffness to Weight: Bending
18 points
Strength to Weight: Axial
11 points
Strength to Weight: Bending
13 points
Environmental
Base Metal Price
35 % relative
Embodied Carbon
3.7 kg CO 2 /kg material
Embodied Energy
60 MJ/kg
Embodied Energy
60 MJ/kg 26 x 10 3 BTU/lb
Embodied Water
390 L/kg
Embodied Water
390 L/kg 47 gal/lb
Registered Designations & Aliases
CC481KCuSn11P-CCuSn11P-CEN CC481K (CuSn11P-C) Phosphor Bronze
Standards
EN 1982 EN 1982: 2008 Copper and copper alloys. Ingots and castings
EN 1982 EN 1982: Copper and copper alloys - Ingots and castings